1) rain contamination flashover
雨污闪
1.
A new concept of rain contamination flashover(RCF) is proposed based on the analysis of the RCF of bushing and CT at Gezhouba power station.
分析了葛洲坝大江电厂套管等发生大雨闪络的原因 ,提出了雨污闪的概念 ,探讨了雨污闪的形成过程 ,并就影响雨污闪的因素诸如“密裙”、“锥形”及“污层电导”等进行了讨论。
3) rain flashover
雨闪
1.
A single-pole tripping accident caused by rain flashover of HVDC voltage divider in Tianshengqiao Converter Station is introduced.
介绍了天生桥换流站一起由于高压直流分压器雨闪引起的单极跳闸事故,通过对事故的原因进行剖析,找出了直流设备外绝缘设计存在的不足,并提出了相应的改进方法,为以后高压直流输电系统的直流设备外绝缘设计提供了借鉴经验。
2.
Profiles of HVDC post insulator and bushing used in converter station was researched from three aspects including pollution accumulation,artificial pollution test and artificial rain flashover test.
从积污、人工污秽试验、人工雨闪试验3个方面对高压直流换流站直流支柱绝缘子和套管伞形结构进行了研究。
4) pollution flashover
污闪
1.
Relation between coastal atmospheric quality indices and power equipment pollution flashover;
沿海大气环境质量指数与电力设备污闪关系的研究
2.
Effect analysis on application of organic coating RTV in anti-pollution flashover of power devices;
有机涂料RTV防污闪应用效果分析
3.
Analysis and countermeasures of 220 kV substation pollution flashover;
220 kV变电站污闪分析和对策
5) contamination flashover
污闪
1.
In order to seek a method to show definitely the various stages of creeping discharge of contamination insulators and to supply early pre-warning for contamination flashover,the artificially polluted insulators were investigated by the fog chamber method in the laboratory.
为更有效地预防污闪的发生,在实验室反复试验研究绝缘子交流污秽放电过程中泄漏电流的变化特性,提取了以泄漏电流为污闪预警主要特征量即利用功率谱变换对泄漏电流进行频域分析,提取出泄漏电流频域中功率谱最大谱峰值曲线增长速率作为污闪预测的有效参量从而防止污闪的发生的新思路。
2.
The relation of the leakage current between the environment factor and contanmination degree was analysed there exists excellent practical use,to prevent the occurrence of contamination flashover fault,an effective monitoring method was provided.
介绍了一种以泄漏电流为采集量的新型500 kV绝缘子在线监测系统,分析了泄漏电流与气候环境和污秽度之间的关系,其实用性强,对预防污闪事故的发生提供了一种有效的检测手段。
3.
By means of artificial pollution test the contamination flashover characteristic of composite insulators lost hydrophobicity under DC voltage is researched.
通过人工污秽试验研究了丧失憎水性的复合绝缘子在直流电压下的污秽闪络特性,给出了两种憎水性状态下的复合绝缘子污闪电压,在憎水性完全丧失状态下时不同表面污秽度下的复合绝缘子50%闪络电压,文中还分析了表面污秽不均匀分布对污闪电压的影响。
6) flashover
[英]['flæʃ,əuvə] [美]['flæʃ,ovɚ]
污闪
1.
In this paper,a fuzzy inference system is built for recognizing and judging flashover stages of contaminated insulators through data obtained from artificial contamination test.
针对绝缘子人工污秽实验数据,从信息融合的角度出发,设计了一种基于模糊推理系统(FIS)的污闪状态识别系统。
2.
The room temperature vulcanized(RTV)silicone rubber coatings on high voltage insulator surface could increase the flashover-resisting due to the hydrophobic and hydrophobic transfer characteristics of organic silicone rubber.
室温硫化(RTV)硅橡胶以其独特的憎水性和憎水迁移性而被用作新型高压绝缘防污闪材料,但仍存在附着力差,强度弱,阻燃性差等缺陷。
3.
To explore the effect of testing transformer during test in detail and to analyze the difference between testing data and spot data in the whole period of flashover,the model of artificial insulator test was set up with taking into account the transformers characteristics such as capacity,hysteresis,etc.
在综合考虑试验变压器特征和污闪特征的基础上,建立了人工污秽试验过程模型,并针对典型污闪试验,进行仿真。
补充资料：奉和皇甫大夫祈雨应时雨降
【诗文】：
致和知必感，岁旱未书灾。伯禹明灵降，元戎祷请来。
九成陈夏乐，三献奉殷罍。掣曳旗交电，铿锵鼓应雷。
行云依盖转，飞雨逐车回。欲识皇天意，为霖贶在哉。
【注释】：
【出处】：
全唐诗：卷263_41
致和知必感，岁旱未书灾。伯禹明灵降，元戎祷请来。
九成陈夏乐，三献奉殷罍。掣曳旗交电，铿锵鼓应雷。
行云依盖转，飞雨逐车回。欲识皇天意，为霖贶在哉。
【注释】：
【出处】：
全唐诗：卷263_41
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条